Originally Posted by

**bknight**
I don't understand how it would be easier to start three engines as opposed to starting two.

I guess it is the probability of getting two is much improved. If the probability of any one igniting is 0.9, arbitrarily, the chance of two is 0.81, but the chance of two out of three is 0.96, (including that all three can start). At least my back of envelope says so.

sicut vis videre esto

When we realize that patterns don't exist in the universe, they are a template that we hold to the universe to make sense of it, it all makes a lot more sense.

*Originally Posted by Ken G*